Im proviiwent in windmills



Y wand-wam@ No. 140,222. Pax-@nmm1115245.,1873A xv, w S;

illnesses:

SAMUEL SHANNON, OF SHELLSBURG, IOWA.

nnenoneiaenr 'un winnnntta Y .Speciiioation forming part of .Letters Patent No. EQLQQQ, dated June 24, 1873; application filed May 5, 1e73.

oted, and 'around which it swings, so vcontrived that a connection lis madewith a Inm,1'p rod,`orf4 'two' Ior more, it desired, on,.1r.theqn-'sidefetfthe post, and the'1rodf9r rods worked thereby? without hindrance to the turning o/t thewheel.

frame, and Without any crampingfor, side draft.

Figure 1 is a longitudinal sectnaleleva tion of' Ymy improved windmill. Fig.' 2 is a plan View, except the vanes; andig. 3 is a iront elevation of the wheel.l

YSimilar letters of reference indicate corre spending parts.v

. A is the crank-shaft; B, the frame, on which it is mounted; U, the post, on whichthe frame is pivoted; D D', the' hub of the Wheel; E, the radialarms i'or supporting the vanes; and F, the `venes.y These valles are pivoted at about one-third of their breadth from the tends to ,keep them turned edgewise' to it. Each vane-arni is connected byarms a' b with a disk, D, which slides forward. and back .o'nv` the'shaftA, and is connected by the 'groored hub G and bar H with the sliding rodsI exe tending to the opposite side of .the pivotH, and connecting with thefshort arm of the r. eighted lever J, pivoted to the frame at K, and hanging trom its pivot in such manner as to tend to turn the vanes tothe Wind in opposition to the action of the wind itself, so

that the extent to which the vanes are subject to the Wind depends on the power of the `weight, and whenever the wind is strongL enough toentirel y overcome the weight, as in a gust or tempest, it will turn the Yanes en7 tire-ly out so that the Wheel will stop, and thus the machinery connected with it and the Wheel itself will escape any undue strain they might otherwise be subject to. Lis 'a cord, attached to the vweighted lever and arranged over a vguide-roller, M, so that thevanes can be turned so as not to take thewind by 1ift` ing the weighted lever Whenewer it is desired ltostopthe wheel; audit' only a portion of the v -lco'weiyi'sl required, the weight can; be lifted,

part-ly-by-'thenopev and vsupported byait, the;v 1

Q' by the notch R, by which the eonnectionismadeso that no obstruction is afforded to the rotation of the wheel-frame, and the poweris VVtransmitted Without cramping by side draft,

which would occur with only one crank and.

`eonnectingfrod, unless the connection was arrangedinthe axis of the standard P. The sleeve 0 and -iiange l? allow of connecting .two or more pump-rods'7 if desired.Av vWindward side on the arms, so that the wind Haviugthus described my inven tion, iclaiml as new and desirer to secure by Letters-Pat:A

.The .double crank-shaft A, two conneeti'ngff--. rods, N,`reciprocating anged sleeveO, and; one ormore pump-rods Q, combined with the revolving frame'B and standard jC, substany iially in the manner described.`

r .SAMUEL SHANNQN.

` Witnesses: I I

' J. E. ELsoN,

ED. LANGLEY. 

